/*
 * Copyright 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.transition;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;

import java.util.ArrayList;
import java.util.List;

/**
 * A view that records changes to its translationX and translationY.
 */
public class TranslationView extends View {

    private final ArrayList<Float> mHistoricalTranslationX = new ArrayList<>();
    private final ArrayList<Float> mHistoricalTranslationY = new ArrayList<>();

    public TranslationView(Context context) {
        this(context, null);
    }

    public TranslationView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public TranslationView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    public void setTranslationX(float translationX) {
        super.setTranslationX(translationX);
        if (translationX != 0f) {
            mHistoricalTranslationX.add(translationX);
        }
    }

    @Override
    public void setTranslationY(float translationY) {
        super.setTranslationY(translationY);
        if (translationY != 0f) {
            mHistoricalTranslationY.add(translationY);
        }
    }

    public List<Float> getHistoricalTranslationX() {
        return mHistoricalTranslationX;
    }

    public List<Float> getHistoricalTranslationY() {
        return mHistoricalTranslationY;
    }

}
